Sherry Boschert in Skin & Allergy News: Some of the effects of climate change are beginning to appear in dermatologists' offices, and there may be more to come. Expanded geographic ranges of tick and parasite vectors due to climate change already are pushing infectious diseases into unfamiliar territory, Dr. Sigfrid A. Muller said at a dermatology seminar sponsored by Skin Disease Education Foundation (SDEF).Lyme disease has spread well into Canada, and leishmaniasis is moving north from Mexico into Texas, Arizona, Oklahoma, and Ohio. Reports of Chagas disease are increasing in the United States and Central and South America. Peru and Ecuador are seeing more Carrion’s disease, he said.
Extreme heat, drought, and wide-scale fires, storms, and flooding, as well as other manifestations of climate change, will alter the incidence and severity of allergies, atopic dermatitis, and asthma, added Dr. Muller, a dermatologist in Las Vegas and chair of the International Society of Dermatology's Climate Change Task Force. The society, in 2009, declared climate change to be the defining dermatologic issue of the 21st century.
Global warming may be debated in the popular media, but there is little controversy about it in the scientific literature, he said. June 2010 was the warmest month on record (combining global land and ocean average surface temperatures) and the 304th consecutive month with a global temperature above the 20th-century average, according to the National Oceanic and Atmospheric Administration….
This 2007 photograph depicts the pathognomonic erythematous rash in the pattern of a “bull’s-eye”, which manifested at the site of a tick bite on this Maryland woman’s posterior right upper arm, who’d subsequently contracted Lyme disease. From the CDC
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